WO2018061205A1

WO2018061205A1 - Absorbent article

Info

Publication number: WO2018061205A1
Application number: PCT/JP2016/079139
Authority: WO
Inventors: 西谷　和也; 英之木下; 規世子西村
Original assignee: ユニ・チャーム株式会社
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2018-04-05
Also published as: JPWO2018061205A1; CN109789045B; MY187792A; JP6689891B2; CN109789045A; KR20190058524A

Abstract

Provided is an absorbent article in which it is possible to suppress positional misalignment when attaching to underwear. The absorbent article has a pair of wing adhesive layers (63) provided to the surface of a pair of wings (3) facing the underwear, a pair of hip flap adhesive layers (64) provided to the surface of a pair of hip flaps (4) facing the underwear, a wing release sheet (73) covering the pair of wing adhesive layers in a state in which the pair of wings are folded to the skin-surface side, and a hip flap release sheet (74) covering the pair of hip flap adhesive layers in a state in which the pair of hip flaps are folded to the skin-surface side. The hip flap release sheet is separated from the wing release sheet in the longitudinal direction. The absorbent article has an identification portion (80) extending in the longitudinal direction, the identification portion being positioned at the lateral-direction center CL of the absorbent article. At least part of the identification portion extends forward from the front-side end of the hip flap release sheet.

Description

Absorbent articles

The present invention relates to an absorbent article individually packaged by a packaging sheet.

For example, absorbent articles such as sanitary napkins may be individually packaged with a packaging sheet. Patent Document 1 discloses an absorbent article individually packaged by a packaging sheet.

The absorbent article described in Patent Document 1 has a top sheet, a back sheet, and an absorbent body between the top sheet and the back sheet. Moreover, an absorbent article has a pair of wings and a pair of hip flaps. The pair of wings extend outward in the width direction from the absorbent body, and are folded back to the non-skin surface side of the underwear when attached to the underwear. The pair of wings swells outward in the width direction behind the pair of wings. The wing has a wing adhesive layer for fixing the wing to the undergarment. The hip flap has a hip flap adhesive layer for fixing the hip flap to the underwear.

The absorbent article is folded together with the packaging sheet while placed on the packaging sheet. Thereby, an absorptive article will be in the state wrapped in the packaging sheet. In a state where the folded absorbent article is developed in the longitudinal direction, the wing and the hip flap are folded back to the skin surface side of the absorbent article (see FIG. 2 of Patent Document 1). In this state, one release paper covers both the wing adhesive layer and the hip flap adhesive layer. The release paper is provided to suppress a decrease in the adhesive strength of the pressure-sensitive adhesive layer before using the absorbent article.

JP 2011-45608 A

The user attaches an absorbent article such as a sanitary napkin to the underwear by the following procedure. First, the user opens the packaging sheet, develops the absorbent article, and peels the release paper from the absorbent article. Next, the center of the pair of wings in the longitudinal direction of the absorbent article is attached to a position substantially corresponding to the crotch of the underwear, specifically, a position having the narrowest width of the underwear. Then, the user attaches the rear region of the absorbent article, that is, the region having the hip flap, to the rear region of the underwear.

The inventor of the present application has found a problem that the rear region of the absorbent article may be attached with being shifted in the width direction with respect to the shorts. That is, since there is no reference for determining whether or not the center in the width direction of the rear region of the absorbent article is deviated from the center position in the width direction of the underwear, the user has difficulty in positioning in the width direction.

Especially, in the state where only the wing is positioned in the underwear, it is difficult to determine the shift in the width direction or the shift in the angle of the absorbent article. The user may notice that the region behind the absorbent article is shifted in the width direction only when the entire absorbent article is attached to the underwear. This is because a slight deviation when the wing is fixed to the underwear increases as it goes to the rear of the absorbent article.

Here, in the absorbent article described in Patent Document 1, when one release paper is peeled off, both the wing adhesive layer and the hip flap adhesive layer are exposed. Therefore, it is difficult to correct the position of the absorbent article in the width direction while attaching the absorbent article to the undergarment. In particular, when the positional deviation of the absorbent article is noticed only when the entire absorbent article is attached to the underwear, the user needs to peel off the adhesive layer fixed to the underwear from the underwear. In this case, the adhesive strength of the pressure-sensitive adhesive layer may be reduced.
Therefore, an absorbent article that can suppress misalignment when attached to underwear is desired.

An absorbent article according to an aspect includes a front-rear direction, a width direction orthogonal to the front-rear direction, an absorbent body, a pair of wings extending outward from the absorbent body in the width direction, and the wings. A pair of hip flaps bulging outward in the width direction at the rear, a pair of wing adhesive layers provided on a surface facing the pair of wing underwear, and a surface facing the pair of hip flap underwear In a state where the pair of hip flap adhesive layers provided, the pair of wings are folded to the skin surface side, the wing release sheet covering the pair of wing adhesive layers, and the pair of hip flaps are folded to the skin surface side. A hip flap release sheet covering the pair of hip flap adhesive layers, wherein the hip flap release sheet is in the front-rear direction. The absorbent article is located at the center of the absorbent article in the width direction and has an identification part extending in the front-rear direction, and at least a part of the identification part is It extends ahead of the front end of the hip flap release sheet.

It is a top view of the absorptive article in a 1st embodiment. It is a top view of the absorbent article seen from the opposite side to FIG. It is a top view of the absorptive article individually wrapped by the packaging sheet. It is a top view of the absorptive article concerning a 1st embodiment by which a wing and a hip flap were folded. It is a schematic diagram for demonstrating the procedure which attaches an absorbent article to underwear. It is a top view of the absorptive article in a 2nd embodiment. It is a top view of the absorbent article which concerns on 2nd Embodiment by which the wing and the hip flap were folded. It is sectional drawing of the absorbent article along the AA line of FIG.

(1) Outline of Embodiments At least the following matters will become apparent from the description of the present specification and the accompanying drawings.

According to the absorbent article according to the present aspect, the user can attach the absorbent article to the underwear by the following procedure. First, the user opens the packaging sheet, develops the absorbent article, and peels the wing release sheet from the absorbent article. Next, the center of the pair of wings in the front-rear direction is attached to a position substantially corresponding to the crotch of the underwear, specifically, a position having the narrowest width of the underwear. Next, the rear region of the absorbent article is attached to the undergarment so that the identification portion coincides with the center of the undergarment in the width direction. Thereby, it can suppress that the back side area of an absorptive article shifts in the width direction to underwear.

Also, since the hip flap release sheet is separated from the wing release sheet, the wing can be attached to the underwear with the pair of hip flaps folded to the skin surface side. Therefore, after attaching the wing to the underwear and then attaching the rear region of the absorbent article to the underwear, the hip flap release sheet can be peeled off to fix the hip flap to the underwear. In this case, it is possible to prevent the hip flap adhesive layer from unexpectedly adhering to an unexpected location of the absorbent article or underwear during the wearing of the absorbent article.

According to a preferred aspect, the identification unit has a different tactile sensation than a region around the identification unit. Thereby, the user can recognize an identification part by tactile sensation. Therefore, even when the user attaches the absorbent article to the underwear in a dark place such as a private room of a toilet, for example, the center position in the width direction of the absorbent article can be determined based on the tactile sensation. Therefore, even if it is a dark place, it can control that the back region of an absorptive article shifts in the width direction to underwear.

According to a preferred aspect, the absorbent article has a skin sheet provided on the skin surface side with respect to the absorbent body, and the identification unit is a printed layer provided on the skin sheet, or at least the skin. It is comprised by the pressing part given to the face sheet. According to this aspect, an identification part can be easily formed with a printing layer or a pressing part.

According to a preferred aspect, the identification unit is provided on a non-skin surface side lower than the weight of the absorbent core around the identification unit, and on the non-skin surface side of the absorbent core, and the skin surface than the absorbent core. The low weight area is located at the center of the absorbent article in the width direction and extends in the front-rear direction. The color sheet has a color different from that of the sheet provided on the side.

The colored sheet provided on the non-skin surface side of the absorbent core can be seen through in the low weight area. Therefore, when the absorbent article is viewed from the skin surface side, the low weight area that extends in the front-rear direction at the center of the absorbent article in the width direction appears to be a different color from the other areas. In this way, the identification unit can be configured by the colored sheet and the low weight area.

According to a preferred aspect, the identification unit is located in a region that does not overlap the pair of hip flaps in a state where the pair of hip flaps are folded to the skin surface side. Thereby, since the identification part is not covered with a pair of hip flaps, the user can easily recognize the identification part.

According to a preferred aspect, the absorbent article has a fold line passing through the hip flap and extending in the width direction, and at least a part of the identification part is positioned in front of the fold line.

The area behind the fold line that passes through the hip flap is easy to bend in the direction of rising to the skin side due to the crease. Therefore, if the identification unit is present behind the fold line passing through the hip flap, the identification unit is difficult to be seen by the user by bending in a direction in which the area behind the fold line passing through the hip flap is raised. End up.

In this aspect, since the identification part exists in front of the fold line passing through the hip flap, the user can easily recognize the identification part while wearing the absorbent article.

According to a preferred aspect, the absorbent article has a main body adhesive layer provided in a region overlapping the absorber in the thickness direction, and the main body adhesive layer is provided intermittently in the front-rear direction. .

Temporarily, if the main body adhesive layer extends continuously in the front-rear direction, even if the mounting angle of the absorbent article and the position in the width direction are slightly shifted, it is difficult to correct the shift during the mounting of the absorbent article. In this aspect, since the main body adhesive layer is intermittently provided in the front-rear direction, the absorbent property is adjusted from the front side to the rear side while adjusting the position in the width direction of the absorbent article in the region where the main body adhesive layer does not exist. The article can be attached to the undergarment.

According to a preferred aspect, at least a part of the non-adhesive region located between the main body adhesive layers in the front-rear direction is a center of the wing in the front-rear direction and a center of the hip flap in the front-rear direction. Located between.

Since the non-adhesive region is between the center of the wing and the center of the hip flap, the user can adjust the position of the absorbent article in the width direction in the region between the center of the wing and the center of the hip flap. . Thereby, the position shift in the width direction of the area | region of the back of an absorbent article can be eliminated.

According to a preferred aspect, at least a part of the non-adhesive region located between the main body adhesive layers in the front-rear direction is located between the wing release sheet and the hip flap release sheet.

Since the identification portion extends forward from the front end portion of the hip flap release sheet, the non-adhesive region is located in the vicinity of the identification portion. Thereby, the user can easily adjust the position in the width direction of the absorbent article in the non-adhesive region when the identification part notices that the position in the width direction of the absorbent article is shifted.

According to a preferred aspect, at least in the region before the hip flap release sheet, the distance between the pair of hip flaps folded to the skin surface is narrowed from the front toward the rear.

Thus, in a state where the pair of hip flaps are folded to the skin surface side, the user's line of sight tends to go to the center of the absorbent article in the width direction from the front side to the rear side of the hip flap. Therefore, the user can naturally find the identification part, and when attaching the absorbent article to the underwear, the user can easily try to attach the absorbent article so that the identification part is located at the center of the underwear in the width direction. .

(2) Configuration of Absorbent Article Hereinafter, the absorbent article according to the first embodiment will be described with reference to the drawings. The absorbent article may be any absorbent article such as a panty liner (corimono sheet), a sanitary napkin, an incontinence pad, or a disposable diaper. In the following embodiments, a disposable sanitary napkin will be described as an example of an absorbent article.

In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and ratios of dimensions and the like may differ from actual ones. Therefore, specific dimensions and the like should be determined in consideration of the following description. Moreover, the part from which the relationship and ratio of a mutual dimension differ also in between drawings may be contained.

FIG. 1 is a plan view of an absorbent article according to an embodiment. FIG. 2 is a rear view of the absorbent article. The absorbent article 1 has a longitudinal direction L and a width direction W that are orthogonal to each other. Hereinafter, the side facing the wearer's skin at the time of use is referred to as “skin facing surface side” or “skin surface side”. In use, the side opposite to the skin facing surface side, that is, the side facing away from the wearer's skin is referred to as “non-skin facing surface side” or “non-skin surface side”.

The absorbent article 1 has a crotch region S1, a front side region S2, and a rear side region S3. The crotch region S1 is a region facing the excretion opening of the wearer, for example, the vaginal opening. When the absorbent article 1 is attached to the underwear, the crotch region S1 is a region that is disposed at the crotch portion of the underwear and disposed between the wearer's legs. The front side area S2 is located in front of the crotch area S1. The front end edge of the front side region S2 defines the front end edge of the absorbent article 1. The rear side region S3 is located on the rear side of the crotch region S1. The rear edge of the rear side region S3 defines the rear edge of the absorbent article 1.

The absorbent article 1 has a wing 3 and a hip flap 4. The wing 3 and the hip flap 4 extend outward in the width direction W from the outer edge of the absorbent body 30 in the crotch region S1. The hip flap 4 is provided behind the wing 3. The wing 3 is provided in the crotch region S1. The front edge of the wing 3 is defined by the root of the wing 3 and corresponds to a portion located on the front side of the two portions recessed most inside in the width direction W. The front edge of the wing 3 defines a boundary between the crotch region S1 and the front side region S2. The rear edge of the wing 3 is defined by the root of the wing 3, and corresponds to a portion located on the rear side of the two portions that are recessed most in the width direction W. The rear edge of the wing 3 defines a boundary between the crotch region S1 and the rear side region S3. The center of the crotch region S1 in the longitudinal direction L may coincide with the center of the wing in the longitudinal direction. The hip flap 4 is provided in the rear side region S3.

The absorbent article 1 has a skin sheet 10, a non-skin sheet 20, and an absorber 30. The skin sheet 10 is provided closer to the skin facing surface than the absorber 30. The skin sheet 10 may have a top sheet 11 and a side sheet 12. The top sheet 11 is a liquid-permeable sheet that transmits liquid such as body fluid. The side sheet 12 covers the outer edge of the top sheet 11 in the width direction W, and extends outward in the width direction W from the top sheet 11. The non-skin surface sheet 20 is a liquid-impermeable sheet. The non-skin surface sheet 20 is provided closer to the non-skin facing surface than the absorber 30.

The non-skin surface sheet 20 is provided with an adhesive layer for fixing the absorbent article 1 to the underwear. The adhesive layer is disposed on the main body adhesive layer 60 disposed in a region overlapping the absorber 30, the wing adhesive layer 63 disposed on the surface facing the underwear of the wing 3, and the surface facing the underwear of the hip flap 4. A hip flap adhesive layer 64. The main body adhesive layer 60 includes at least a first main body adhesive layer 61 provided in the crotch region S1 and a second main body adhesive layer 62 provided in at least the rear side region S3.

The absorber 30 is provided between the skin sheet 10 and the non-skin sheet 20. The absorber 30 is arranged at least in the crotch region S1 and the rear side region S3. The absorber 30 includes an absorbent core made of an absorbent material that absorbs liquid, and a cover sheet that wraps the absorbent core.

The absorbent article 1 has a central pressing part 81 at least in the rear side region S3. The center pressing part 81 is formed by compressing at least the top sheet 11 that is the skin sheet 10 and the absorbent body 30 in the thickness direction. The center pressing part 81 is located at the center of the absorbent article 1 in the width direction W and extends in the front-rear direction L.

The absorbent article 1 may have a width pressing part 82 and a longitudinal pressing part 83 in the rear side region S3 in addition to the central pressing part 81. The width pressing part 82 and the longitudinal pressing part 83 should just be formed by compressing the absorber 30 at least in the thickness direction. In this embodiment, the width pressing part 82 and the longitudinal pressing part 83 are formed in the top sheet 11 and the absorber 30 in the rear side region S3.

The central squeezing part 81, the width squeezing part 82 and / or the longitudinal squeezing part 83 are constituted by an assembly of a plurality of dot-like pressing parts. Instead, the center pressing part 81, the width pressing part 82, and the longitudinal pressing part 83 may be comprised by the pressing part extended continuously in linear form.

The central pressing part 81 extends in the longitudinal direction L, and constitutes a deformation base point extending in the longitudinal direction L when worn. When the crotch region is sandwiched between the wearer's legs when worn, force is applied to the rear side region S3 from the outer side in the width direction toward the inner side in the width direction. This force causes the rear area S3 of the absorbent article to protrude toward the wearer's crack at the central pressing portion 81. Therefore, the fitting property of the absorbent article to the wearer's body can be improved.

The width pressing part 82 is extended from the center pressing part 81 to the outer side of the width direction W, and comprises the deformation | transformation base point extended in the width direction W at the time of wear. The width pressing part 82 extends from the outer side in the width direction W to the inner side in the width direction W as it goes from the front side to the rear side. The width pressing part 82 functions as a deformation base point extending in the width direction. Therefore, it becomes easy to deform | transform so that back side area S3 follows the roundness along the front-back direction of a body, and an absorbent article becomes easier to fit a buttocks.

The pair of longitudinal pressing portions 83 extend in the longitudinal direction L on both outer sides in the width direction W from the central pressing portion 81 and the width pressing portion 82, and constitute a deformation base point extending in the longitudinal direction L when worn. Thereby, when the force which goes to the inner side of the width direction from the outer side of the width direction is applied to the rear side region S3, the region between the pair of longitudinal pressing portions 83 is more easily protruded toward the wearer's crack. . Therefore, the fitting property of the absorbent article to the wearer's body can be further improved.

The absorbent article 1 may be individually wrapped in a folded state. FIG. 3 shows the absorbent article 1 individually packaged by the packaging sheet 100. FIG. 4 is a plan view of the absorbent article 1 with the wing 3 and the hip flap 4 folded. FIG. 4 shows the absorbent article 1 with the packaging sheet 100 opened.

The absorbent article 1 has two front and rear fold lines FL extending along the front-rear direction L, and at least two width fold lines F1 and F2 extending along the width direction W. The pair of wings 3 and the pair of hip flaps 4 are folded back to the skin surface side with respect to the front and rear fold line FL in the packaged state. The front-rear fold line FL may be disposed outside the absorbent body 30 in the width direction W.

The at least two width fold lines include a first width fold line F1 and a second width fold line F2. The first width fold line F1 passes through the hip flap 4 in the rear side region S3. The second width fold line F2 passes through the crotch region S1 or the front side region S2. In the present embodiment, the second width fold line F2 passes through the front side area S2.

The absorbent article 1 folded along the front-rear fold line FL is further folded toward the skin surface along the packaging sheet 100 along the first width fold line F1 and the second width fold line F2 while being placed on the packaging sheet 100. . Thereby, as shown in FIG. 3, the absorbent article 1 is in a state of being wrapped with the packaging sheet 100. The wrapping sheets 100 that are overlapped by being folded are joined to each other at both side portions 104 in the width direction (portions located on both outer sides in the lateral direction in FIG. 3). By sealing with such a sealing means, the packaging sheet 100 is prevented from opening naturally.

The absorbent article 1 has a wing release sheet 73 that covers the pair of wing adhesive layers 63 in a state in which the pair of wings 3 are folded to the skin surface side. Moreover, the absorbent article 1 has a hip flap release sheet 74 that covers the pair of hip flap adhesive layers 64 in a state where the pair of hip flaps 4 are folded to the skin surface side. The hip flap release sheet 74 is separated from the wing release sheet 73 in the front-rear direction L.

At least a part of the central pressing part 81 extends forward from the front end of the hip flap release sheet 74. In the first embodiment, the central squeezing part 81 constitutes an identification part 80 extending in the front-rear direction L.

According to the absorbent article according to the present aspect, the user can attach the absorbent article to the underwear by the following procedure. First, the user opens the packaging sheet 100, develops the absorbent article, and peels the wing release sheet 73 from the absorbent article 1. Next, the center of the pair of wings 3 in the front-rear direction L is attached to a position substantially corresponding to the crotch of the underwear S, specifically, a position having the narrowest width of the underwear S (see FIG. 5). Next, the rear region S3 of the absorbent article 1 is attached to the undergarment so that the identification unit 80 coincides with the center of the undergarment in the width direction W. Thereby, it can suppress that the back side area | region S3 of an absorbent article shifts | deviates to the width direction W with respect to underwear.

Further, since the hip flap release sheet 74 is separated from the wing release sheet 73, the wing 3 can be attached to the underwear in a state where the pair of hip flaps 4 are folded to the skin surface side. Therefore, after attaching the wing 3 to the underwear and then attaching the rear side area S3 of the absorbent article 1 to the underwear, the hip flap release sheet 74 can be peeled off to fix the hip flap 4 to the underwear. In this case, it is possible to prevent the hip flap adhesive layer 64 from unexpectedly adhering to an unexpected location of the absorbent article 1 or the underwear S during the wearing of the absorbent article 1.

In the present embodiment, the identification unit 80 is configured by the central pressing unit 81. However, the identification unit 80 is not limited to this configuration. For example, the identification unit 80 may be configured by a print layer provided on the skin sheet 10. Even in this case, as described above, the rear side region S3 of the absorbent article can be prevented from being displaced in the width direction W with respect to the underwear.

When the identification part 80 is comprised by the printing layer provided in the skin sheet 10, or the pressing part provided at least on the skin sheet, there exists an advantage that the identification part 80 can be formed easily at the time of manufacture. .

Preferably, the identification unit 80 has a different tactile sensation from the area around the identification unit 80. Thereby, the user can recognize the identification part 80 by tactile sensation. Therefore, even when the user attaches the absorbent article 1 to the underwear S in a dark place such as a private room of a toilet, for example, the user can determine the center position of the absorbent article 1 in the width direction W by tactile sensation. . Therefore, even in a dark place, it is possible to suppress the rear side area S3 of the absorbent article 1 from being displaced in the width direction W with respect to the underwear.

The identification unit 80 is preferably located in a region where the pair of hip flaps 4 is not overlapped with the pair of hip flaps 4 in a state where the pair of hip flaps 4 is folded to the skin surface side. Thereby, since the identification part 80 is not covered with a pair of hip flaps 4, the user can recognize the identification part 80 easily.

Further, it is preferable that at least a part of the identification unit 80 is located on the front side of the first width fold line F1 passing through the hip flap 4. A region on the rear side of the first width fold line F1 passing through the hip flap 4 is likely to bend in a direction to be lifted to the skin surface side by folds. Therefore, if the identification unit 80 exists behind the first width fold line F1 passing through the hip flap 4, the region behind the first width fold line F1 passing through the hip flap 4 bends in the direction of rising. The identification unit 80 becomes difficult to see from the user. In this aspect, since the identification part 80 exists in front of the first width fold line F1 passing through the hip flap 4, the user can easily recognize the identification part 80 while wearing the absorbent article.

Here, when a plurality of width fold lines pass through the hip flap 4, at least a part of the identification unit 80 is positioned on the front side of the rearmost width fold line among the plurality of width fold lines passing through the hip flap. It may be. Furthermore, it is more preferable that at least a part of the identification unit 80 is located on the front side of the frontmost width fold line among the plurality of width fold lines passing through the hip flap. In this case, it is possible to prevent the identification unit 80 from becoming difficult to be seen by the user due to the area behind the plurality of width fold lines passing through the hip flaps floating.

At least in the region before the hip flap release sheet 74, the distance between the pair of hip flaps 4 folded toward the skin surface is preferably narrower from the front to the rear (see FIG. 4). Thereby, in a state in which the pair of hip flaps 4 is folded to the skin surface side, the user's line of sight tends to go to the center CL of the absorbent article in the width direction W as it goes rearward from the front side of the hip flaps 4. . Therefore, the user can naturally find the identification unit 80 and wear the absorbent article so that the identification unit 80 is positioned at the center of the underwear in the width direction when the absorbent article 1 is worn on the underwear. It becomes easy.

The main body adhesive layer 60 is preferably provided intermittently in the front-rear direction L. In the present embodiment, a non-adhesive region NS is provided between the first main body adhesive layer 61 and the second main body adhesive layer 62.

If the main body adhesive layer 60 extends continuously in the front-rear direction L, even if the mounting angle of the absorbent article and the position in the width direction are slightly shifted, it is difficult to correct the shift during the mounting of the absorbent article. . In this aspect, since the main body adhesive layer 60 is intermittently provided in the front-rear direction, the position in the width direction of the absorbent article, particularly the rear side region S3, in the region where the main body adhesive layer 60 does not exist (non-adhesive region NS). Can be easily adjusted. Thereby, the absorbent article 1 can be easily attached to the underwear from the front side to the rear side while adjusting the position in the width direction of the absorbent article.

At least a part of the non-adhesive region NS located between the main body adhesive layers 60 in the front-rear direction L is preferably located between the center WC of the wing in the front-rear direction L and the center HC of the hip flap in the front-rear direction. . Since the non-adhesive region NS is between the center WC of the wing and the center HC of the hip flap, the user can position the absorbent article in the width direction in the region between the center WC of the wing and the center HC of the hip flap. Can be adjusted easily. Thereby, the position shift in the width direction of the rear region S3 of the absorbent article can be eliminated.

It is preferable that at least a part of the non-adhesive region NS located between the main body adhesive layers 60 in the front-rear direction is located between the wing release sheet 73 and the hip flap release sheet 74. Here, since the identification unit 80 extends forward from the front end portion of the hip flap release sheet 74, the non-adhesive region NS is positioned in the vicinity of the identification unit 80. Thereby, when the user notices that the position in the width direction of the absorbent article is shifted by the identification unit 80, the position shift in the width direction of the absorbent article is easily corrected at the non-adhesive region NS. be able to.

(3) Second Embodiment Next, an absorbent article according to a second embodiment will be described with reference to FIGS. In the description of the second embodiment, the same components as those in the first embodiment described above may be denoted by the same reference numerals and description thereof may be omitted.

FIG. 6 is a plan view of the absorbent article according to the second embodiment. FIG. 7 is a plan view of the absorbent article with the wing and hip flap folded. FIG. 8 is a cross-sectional view of the absorbent article taken along line AA in FIG.

In 2nd Embodiment, the absorber 30 is the absorption core 31 which consists of an absorption material which absorbs a liquid, the cover sheet 32 which covers the absorption core 31, and the colored sheet 33 provided in the non-skin surface side of the absorption core 31. ,including. The colored sheet 33 has a color different from that of the sheet provided on the skin surface side of the absorbent core 31, here, the cover sheet 32 and the skin sheet 10. Typically, the cover sheet 32 and the skin sheet 10 are white, and the colored sheet 33 may be colored blue or light blue.

Further, the absorber 30 has a low basis weight area 41 and a high basis weight area 42 at least in the rear side area S3. Here, the “low weight area” means a region composed of an absorbent core having a lower weight than the weight of the surrounding absorbent core, or a region having no absorbent core. The high weight area 42 is an area other than the low weight area 41, and is composed of an absorbent core having a higher weight area than the low weight area 41.

The low weight area 41 includes at least a first low weight area 41 a that is located in the center CL of the absorbent article in the width direction and extends in the front-rear direction L. At least a part of the first low weight area 41 a extends forward from the front end of the hip flap release sheet 74.

The low weight area 41 may include a second low weight area 41b extending in the width direction W in the rear side area S3. The second low weight area 41b may be continuous with the first low weight area 41a and may extend outward in the width direction W from the first low weight area 41a. A plurality of second low weight areas 41b may be provided at intervals in the longitudinal direction L.

In this specification, the “weight of absorbent core” is measured by the following measurement method. When the absorbent article 1 is enclosed in a package or the like, a sample that is removed from the package and left in that state in an atmosphere of 20 ° C. ± 2 ° C. and a relative humidity of 60% ± 5% RH is used.

In the absorbent article packaged by the packaging body, the packaging body is opened, the folded absorbent article is expanded, and then the portion whose basis weight is measured is cut out from the absorbent article, and the weight of the cut out portion is measured. . Next, parts other than the absorber, such as a skin sheet and a non-skin sheet, are removed from the cut out part, and the weight of the absorber is measured. The basis weight is calculated based on the weight of the absorber and the area of the portion where the basis weight is measured.

According to the second embodiment, the color of the colored sheet 33 on the non-skin surface side of the absorbent core 31 is visible through the low weight area 41 and is visible. When the absorbent article 1 is viewed from the skin side, the color of the low weight area 41, particularly the first low weight area 41a, appears to be different from the color of the surrounding area. In the second embodiment, the first low weight area 41a and the color difference form the identification unit 80. In other words, the identification unit 80 is provided on the non-skin surface side with respect to the first low weight area 41 a lower than the weight of the absorption core 31 around the identification unit, and on the skin surface side with respect to the absorption core 31. It is comprised by the combination with the colored sheet 33 which has a color different from the sheet | seats 10 and 32 provided in this. Even in this case, the user can prevent misalignment of the absorbent article, in particular, the rear side region S3 in the width direction using the identification unit 80, as in the first embodiment.

For the purpose of making the colored sheet 33 visible through the first low weight area 41a, the weight of the absorbent core 31 in the first low weight area 41a is preferably small, and the weight of the absorbent core 31 in the first low weight area 41a is substantially More preferably, it is zero. Here, “substantially zero” means that the design basis weight is zero, and a concept that allows a small amount of the absorbent material to be mixed from a region other than the first low basis weight region 41a in the manufacturing process. It is.

Since the position and the like of the identification unit 80 according to the second embodiment are the same as those in the first embodiment, description thereof is omitted.

(4) Other Embodiments As described above, the contents of the present invention have been disclosed through the embodiments of the present invention. However, it should be understood that the description and drawings constituting a part of this disclosure limit the present invention. is not. From this disclosure, various alternative embodiments, examples, and operational techniques will be apparent to those skilled in the art. Therefore, the technical scope of the present invention is defined only by the invention specifying matters according to the scope of claims reasonable from the above description.
For example, the features described in the first and second embodiments are replaced or combined with each other.

Further, although various forms of the identification unit 80 have been described based on the first embodiment and the second embodiment, the identification unit 80 is not limited to the above-described form. The identification part 80 should just be comprised at least visually by the wearer from the outside.

It is possible to provide an absorbent article that can suppress displacement when attached to underwear.

1: Absorbent article 3: Wing 4: Hip flap 10: Skin sheet 20: Non-skin sheet 30: Absorbent body 31: Absorbent core 32: Cover sheet 33: Colored sheet 41: Low weight area 41a: First low weight Area 41b: Second low weight area 63: Wing adhesive layer 64: Hip flap adhesive layer 73: Wing release sheet 74: Hip flap release sheet 80: Identification part 81: Central pressing part 82: Width pressing part 83: Long pressing part L : Longitudinal direction W: Width direction

Claims

Forward and backward,
A width direction orthogonal to the front-rear direction;
An absorber,
A pair of wings extending outward from the absorber in the width direction;
A pair of hip flaps bulging outwardly in the width direction behind the wing,
A pair of wing adhesive layers provided on the surface facing the pair of underwear of the wing;
A pair of hip flap adhesive layers provided on the surface facing the pair of hip flap underwear;
With the pair of wings folded to the skin surface side, a wing release sheet that covers the pair of wing adhesive layers;
In a state where the pair of hip flaps is folded to the skin surface side, a hip flap release sheet that covers the pair of hip flap adhesive layers,
The hip flap release sheet is separated from the wing release sheet in the front-rear direction,
The absorbent article is located at the center of the absorbent article in the width direction, and has an identification portion extending in the front-rear direction,
At least one part of the said identification part is an absorbent article extended ahead rather than the front side edge of the said hip flap peeling sheet.
The absorbent article according to claim 1, wherein the identification unit has a different tactile sensation from a region around the identification unit.
Having a skin sheet provided on the skin side of the absorbent body,
The absorptive article according to claim 1 or 2 with which said discernment part is constituted by a printing layer provided in said skin sheet, or at least a pressing part given to said skin sheet.
The identification unit includes a low basis weight area lower than the weight of the absorbent core around the identification unit, a sheet provided on the non-skin surface side of the absorption core, and a sheet provided on the skin surface side of the absorption core; Is composed of a combination of colored sheets having different colors,
3. The absorbent article according to claim 1, wherein the low weight area is located at a center of the absorbent article in the width direction and extends in the front-rear direction.
The absorbent article according to any one of claims 1 to 4, wherein the identification unit is located in a region that does not overlap the pair of hip flaps in a state where the pair of hip flaps is folded to the skin surface side. .
Passing through the hip flap and having a fold line along the width direction;
The absorptive article according to any one of claims 1 to 5, wherein at least a part of the identification part is located in front of the fold line.
It has a main body adhesive layer provided in a region overlapping with the absorber in the thickness direction,
The absorbent article according to claim 1, wherein the main body adhesive layer is provided intermittently in the front-rear direction.
The at least part of the non-adhesive region located between the main body adhesive layers in the front-rear direction is located between the center of the wing in the front-rear direction and the center of the hip flap in the front-rear direction. The absorbent article according to any one of 1 to 7.
At least one part of the non-adhesion area | region located between the said main body adhesion layers in the said front-back direction is located between the said wing peeling sheet and the said hip flap peeling sheet, The any one of Claim 1 to 8 Absorbent article as described in 1.
The space between the pair of hip flaps folded to the skin side at least in a region before the hip flap release sheet is narrowed from the front toward the rear. Absorbent article according to item.